Arizona State University expelled the Tau Kappa Epsilon fraternity Thursday night, just days after it held a party during the Martin Luther King Jr. holiday weekend depicting racial stereotypes.

The university said in a statement that it notified the fraternity that its recognition as a fraternity chapter at ASU has been permanently revoked for violating the university’s student code of conduct. Revoking recognition means the 65-year-old local chapter is no longer affiliated with ASU. The group won’t be listed on the university’s website and cannot recruit members or hold meetings on campus.

ASU President Michael Crow said in the statement that the university’s student code of conduct establishes behavior standards.

“At ASU, students who violate these standards will be subject to disciplinary sanctions in order to promote their own personal development, to protect the university community, and to maintain order and stability on our campuses,” he said.

ASU said the fraternity violated four provisions of the conduct code: engaging in discriminatory activities, violating alcohol rules, violating the terms of earlier disciplinary sanctions and off-campus conduct that may present a risk or danger.

University officials are still investigating and deciding how to handle individual cases of student discipline.

National fraternity spokesman Alex Baker said in a statement that they had received the university’s findings and “we will be issuing the results of our own investigation shortly.” Representatives of the local chapter were unavailable for comment.

The images drew a swift reaction from civil-rights leaders, who demanded that the university expel the fraternity.

At the time of the party, the fraternity was on university probation for a fight in November 2012, when police reports say fraternity members confronted a rival fraternity member, an African-American, and beat him up. He suffered a broken jaw, concussion and cuts.

The Rev. Jarrett Maupin, a local civil-rights leader, said the university’s decision to cut ties with the fraternity meets the first of three demands. The civil-rights leaders also want students disciplined, and they want the university to take steps to create a “more accepting environment” for all students.

Maupin applauded university officials, saying, “They did the right thing to defend the legacy of Dr. King and to say to the nation and to the state, and everyone who is watching, that there is a zero-tolerance policy for racism and discrimination at Arizona State University.”

Civil-rights leaders threatened to boycott the university’s athletics and a fundraising campaign to rebuild Sun Devil Stadium unless their demands are met. The incident has drawn national publicity, with CNN’s Anderson Cooper featuring it on his “Ridiculist” segment, where he asked: “Whatever happened to the good old-fashioned toga party?”

This is the second time in less than a year that ASU has expelled a fraternity chapter. In June, ASU revoked recognition of Sigma Alpha Epsilon after a member nearly drank himself to death. Earlier that same school year, a pledge was found dead in the river.

ASU put the TKE fraternity on interim suspension on Monday after receiving reports that fraternity members hosted an unregistered event off campus with a racially insensitive theme and where underage alcohol was consumed.

TKE had a relatively clean record with the university until about 14 months ago. Documents obtained through a public-records request by The Arizona Republic show that the fraternity violated alcohol policy in the 2009-10 school year but stayed out of trouble the next two school years.

Then, in November 2012, a group of 20 or so fraternity members walked into an apartment complex where several members of the Delta Kappa Epsilon fraternity lived and attacked one of them.

The TKE members confronted an African-American fraternity member and punched him several times in the face, according to police reports. Two men later pleaded guilty to charges of aggravated assault, according to Maricopa County Superior Court records.

ASU then put the fraternity on probation until May 17, 2014. The fraternity was not allowed to have parties as a condition of probation.

In a statement issued earlier this week, the national Tau Kappa Epsilon fraternity apologized for “any offensive actions that a few of our members might have participated in.”

“Tau Kappa Epsilon does not condone or support any actions by its members that would be defined as racist, discriminatory and/or offensive,” the statement said.

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